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Re-evaluation of the Permian macrofossils from the Parnaiba Basin; biostratigraphic, palaeoenvironmental and palaeogeographical implications

Roberto Iannuzzi, Rodrigo Neregato, Juan C. Cisneros, Kenneth D. Angielczyk, Ronny Roessler, Rosemarie Rohn, Claudia Marsicano, Joerg Froebisch, Thomas Fairchild, Roger M. H. Smith, Francine Kurzawe, Martha Richter, Max C. Langer, Tatiane M. V. Tavares, Christian F. Kammerer, Domingas M. Conceicao, Jason D. Pardo and Guilherme A. Roesler
Re-evaluation of the Permian macrofossils from the Parnaiba Basin; biostratigraphic, palaeoenvironmental and palaeogeographical implications (in Cratonic basin formation; a case study of the Parnaiba Basin of Brazil, Michael C. Daly (editor), Reinhardt A. Fuck (editor), J. Julia (editor), D. I. M. Macdonald (editor) and Anthony B. Watts (editor))
Special Publication - Geological Society of London (2018) 472: 223-249

Abstract

Although Permian fossils have been known from the Parnaiba Basin for two centuries, and some faunal and flora elements are well known worldwide, research on the fossil assemblages from this basin has lagged relative to other, more accessible basins. In the last decade, however, there has been a significant increase in the study of fossils from the two Permian units of the basin: the Pedra de Fogo and Motuca formations. The goal of this contribution is to synthesize and update the existing data on the Permian macrofossils from these formations, and to use them to address biostratigraphic, palaeoenvironmental and palaeogeographical questions. The Pedra de Fogo and Motuca formations are likely to be Cisuralian in age. Contrary to previous reports, there is more than one stratigraphic interval that preserves petrified fossil plants. The possible marine influence proposed for the Pedra de Fogo Formation must be reassessed based on the strongly terrestrial character of its fossil assemblages. Palaeoenvironmental and palaeoclimatic conditions are inferred to be wetter than is typically predicted for this region of the globe based on climatic modelling. Despite sharing some taxa with the Euramerican and Gondwanan biogeographical provinces, the Parnaiba Basin was likely to have been part of a distinct biogeographical province, as indicated by the high degree of endemism displayed by its Permian floras and faunas.


ISSN: 0305-8719
Serial Title: Special Publication - Geological Society of London
Serial Volume: 472
Title: Re-evaluation of the Permian macrofossils from the Parnaiba Basin; biostratigraphic, palaeoenvironmental and palaeogeographical implications
Title: Cratonic basin formation; a case study of the Parnaiba Basin of Brazil
Affiliation: Universidade Federal do Rio Grande do Sul, Brazil
Affiliation: Oxford University, Department of Earth Sciences, Oxford, United Kingdom
Pages: 223-249
Published: 2018
Text Language: English
Publisher: Geological Society of London, London, United Kingdom
References: 109
Accession Number: 2019-003934
Categories: PaleobotanyStratigraphy
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. 6 plates, 2 tables, geol. sketch map
S10°00'00" - S05°00'00", W48°00'00" - W42°00'00"
Secondary Affiliation: Universidade Federal do Piaui, BRA, BrazilField Museum of Natural History, USA, United StatesMuseum fuer Naturkunde, DEU, GermanyUniversity of the State of Sao Paulo, BRA, BrazilUniversidad de Buenos Aires, ARG, ArgentinaMuseum fuer Naturkunde, DEU, GermanyHumboldt-Universitaet zu Berlin, DEU, GermanyUniversity of Sao Paulo, BRA, BrazilUniversity of Witwatersrand, ZAF, South AfricaUniversidade Federal do Parana, BRA, BrazilNatural History Museum, GBR, United KingdomUniversidade Federal do Tocantins, BRA, BrazilNorth Carolina Museum of Natural Sciences, USA, United StatesUniversity of Calgary, CAN, Canada
Country of Publication: United Kingdom
Secondary Affiliation: GeoRef, Copyright 2019, American Geosciences Institute. Reference includes data from The Geological Society, London, London, United Kingdom
Update Code: 201904
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